Tirzepatide 99.7% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The Tirzepatide batch (May 15, 2025) showed 99.74% purity via HPLC and mass quantification. Quantity matched the label at 60mg, but endotoxin status is not applicable. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-08-31
- Testing lab
- LabE
- Batch / lot
- May 15, 2025
- Quantity
- 60mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.6
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.74% ranks higher than 32% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-08-31 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 26% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
Finnrick
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